نمایش نتیجه 1 تا 5 از 5 نتیجه یافت شده برای counterbalance weight:
n: a beam pumping unit that has a counterbalance weight on the walking beam.
n: a weight applied to compensate for existing weight or force. On pumping units in oil production, counterweights are used to offset the weight of the column of sucker rods and fluid on the upstroke of the pump, and the weight of the rods on the downstroke.
the rotating weights on a beam lift pump jack that offset the weight of the rod string.
n: see counterbalance weight.
n: a beam pumping unit that has the counterbalance weight on the crank arm.
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